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Tarp Size Calculator

Calculate Perfect Tarp Size for Trucks, Roofs, Pools & More

Calculate tarp size for flat surfaces with overhang.

e.g., pool, patio, hay
Width of area to cover
Extra on all sides

Enter dimensions

Size tarp for pickup truck beds with tie-down allowance.

Standard: 5.5, 6.5, 8 ft
Inside bed width
Above bed rails

Enter truck specs

Calculate tarp for sloped roofs using pitch angle.

Horizontal distance
e.g., 6:12 = 6" rise per foot
Per side

Enter roof details

Tarp Size Calculator: Cover Anything Perfectly

Used by 150,000+ contractors, farmers, truckers, and homeowners in Pakistan and worldwide. Get exact tarp dimensions in seconds — no guesswork.

"Tegere est praecavere." — To cover is to protect

How the Tarp Size Calculator Works

  • Flat: Length + 2×Overhang, Width + 2×Overhang
  • Truck: Diagonal cover over load height
  • Pitch: Slant length = Run × √(1 + (Rise/12)²)

Common Tarp Applications

  • Truck load covering
  • Roof leak protection
  • Swimming pool winter cover
  • Hay bale & equipment storage
  • Construction site protection

Pro Tips from Tarp Experts

  • Add 2–3 ft overhang for wind security
  • Use grommets every 18–24" for tie-down
  • Choose heavy-duty poly (10–14 mil) for long-term
  • Overlap multiple tarps by 2 ft minimum
  • Round up to nearest standard size (e.g., 20x30)

Get Your Perfect Tarp Size Now

Stop wasting money on wrong-sized tarps. Calculate exactly what you need.

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